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Audi C5 A6 FWD V6 3.0L

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Audi C5 A6 FWD V6 3.0L Engine Cooling Parts

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Coolant Flange Plug Kit - Priced Each

ES#11965 - 357121140 - Coolant Flange Plug Kit - Priced Each - Includes the plug, o-ring and securing clip - MTC - Audi Volkswagen

Includes the plug, o-ring and securing clip

Brand:
MTC - Corporate Logo
ES#:
11965
Mfg#:
357121140
In Stock
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#3624900 - 059919501A - Coolant Temperature Sensor - Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head - FAE - Audi Volkswagen

Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head

Brand:
FAE - Corporate Logo
ES#:
3624900
Mfg#:
059919501A
Ships on Oct 13, 2026
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2091199 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - Genuine Volkswagen Audi - Audi

Plastic pressure cap for expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2091199
Mfg#:
8E0121321
Ships in 2 Business Days
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$55.99

This product was last offered at the strikethrough price on
09-27-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#3961 - 06C121111C - Thermostat Assembly - Housing included - Wahler - Audi

Housing included

Brand:
Wahler - Corporate Logo
ES#:
3961
Mfg#:
06C121111C
In Stock
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spal 185 Degree Thermo-Switch

Replacement thermo-switch for Spal electric fan conversion kits.

Brand:
Spal - Corporate Logo
ES#:
4753440
Mfg#:
SPL185TS
Back Ordered
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2762251 - 06C121111EKT1 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2762251
Mfg#:
06C121111EKT1
Ships in 2 Business Days
ON SALE! SAVE 24%
$57.99

This product was last offered at the strikethrough price on
05-02-2026

$44.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2872483 - 8E0121403D - Coolant Expansion Tank - Includes integrated coolant level sensor - Febi - Audi

Includes integrated coolant level sensor We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872483
Mfg#:
8E0121403D
Ships in 1 Business Day
$48.39

This product was last offered at the strikethrough price on
08-26-2026

$43.72 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Wrench

ES#2210254 - VAG1590 - Water Pump Wrench - Used for removing 2-piece pulley on V-belt systems - Genuine Volkswagen Audi - Audi Volkswagen

Used for removing 2-piece pulley on V-belt systems

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2210254
Mfg#:
VAG1590
In Stock
Limited Qty Sale
$47.99

This product was last offered at the strikethrough price on
08-24-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Vent Hose

ES#262927 - 4B0121107B - Expansion Tank Vent Hose - This hose runs off the back of the expansion tank, and goes to the hard coolant pipe on the back of the motor - Genuine Volkswagen Audi - Audi

This hose runs off the back of the expansion tank, and goes to the hard coolant pipe on the back of the motor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
262927
Mfg#:
4B0121107B
Ships in 2 Business Days
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$46.00

This product was last offered at the strikethrough price on
09-27-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly - 92C

ES#3149393 - 06C121111E - Thermostat Assembly - 92C - Housing included - Rein - Audi

Housing included 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3149393
Mfg#:
06C121111E
Ships in 3 Business Days
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose

ES#4055320 - 078121058AN - Oil Cooler Hose - Connects the oil cooler to the upper coolant pipe - Vaico - Audi Volkswagen

Connects the oil cooler to the upper coolant pipe We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4055320
Mfg#:
078121058AN
Ships on Jan 21, 2027
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#2580782 - 06C121043 - Water Pump Gasket - Ensure a proper seal when installing a new water pump - Elring - Audi

Ensure a proper seal when installing a new water pump 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
From VIN 4B-2-105001, split is in the 2002 model year

Brand:
Elring - Corporate Logo
ES#:
2580782
Mfg#:
06C121043
Ships in 3 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sandwich Plate Fitting - priced each

ES#2764124 - MMSPF10ANBK - Sandwich Plate Fitting - priced each - M20 X 1.5 /10AN - Mishimoto - Audi BMW Volkswagen MINI

M20 X 1.5 /10AN

Brand:
Mishimoto - Corporate Logo
ES#:
2764124
Mfg#:
MMSPF10ANBK
In Stock at Vendor
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Vent Hose

ES#2802945 - 4B0121107B - Expansion Tank Vent Hose - This hose runs off the back of the expansion tank, and goes to the hard coolant pipe on the back of the motor - Rein - Audi

This hose runs off the back of the expansion tank, and goes to the hard coolant pipe on the back of the motor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802945
Mfg#:
4B0121107B
Ships on Oct 13, 2026
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Hose

ES#280263 - 06C121445A - Thermostat Hose - Connects the water pipe to the thermostat - Genuine Volkswagen Audi - Audi

Connects the water pipe to the thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280263
Mfg#:
06C121445A
In Stock
ON SALE!
$25.99

This product was last offered at the strikethrough price on
05-02-2026

$24.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3142773 - 8E0121403D - Coolant Expansion Tank - Includes integrated coolant level sensor - Hudson - Audi

Includes integrated coolant level sensor

Brand:
Hudson - Corporate Logo
ES#:
3142773
Mfg#:
8E0121403D
Ships in 1 day
$23.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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